Description

Thiophene, 2-(Fluoroethynyl)- (9Ci) is a specialized fluorinated heterocyclic building block of significant interest in advanced organic synthesis. This compound matters for its unique molecular architecture, combining a thiophene core with a reactive fluoroethynyl substituent, making it a valuable precursor for constructing complex molecules. It is primarily needed by researchers and process chemists in the pharmaceutical and agrochemical industries for developing novel active ingredients and functional materials.

Application

• As a key fluorinated synthon in the research and development of novel pharmaceutical candidates.
• Building block for the synthesis of advanced agrochemicals, including herbicides and fungicides.
• Precursor in materials science for creating functionalized polymers and electronic materials.
• Intermediate in medicinal chemistry for introducing fluorine atoms to modulate bioavailability and metabolic stability.
• Used in academic and industrial R&D for exploring new reactions in organofluorine chemistry.
• Starting material for the preparation of liquid crystal compounds and other specialty chemicals.

Basic Information

Product Name	Thiophene, 2-(Fluoroethynyl)- (9Ci)
CAS No.	344241-23-2
Molecular Formula	C6H3FS
Molecular Weight	126.15 g/mol
Synonyms	2-Ethynyl-5-fluorothiophene; 5-Fluoro-2-ethynylthiophene; 2-(Fluoroethynyl)thiophene; 2-Fluoroethynylthiophene; Thiophene, 2-ethynyl-5-fluoro-; 344241-23-2; 2-(Fluoroethynyl)thiophene (9CI)
EINECS	Contact for details

Quality Control

Our Thiophene, 2-(Fluoroethynyl)- (9Ci) is produced and handled under strict quality management protocols. Each batch undergoes rigorous analytical testing, including chromatography and spectroscopy, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong acids and oxidizing agents. Recommended storage temperature is 2-8°C for long-term stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥95% (Area %)
Water Content (KF)	≤0.5%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.